wlwHtmlSnippetsTool – Allows you to insert simple Html snippets into a post. Stores a list of commonly used snippets. Freeware, open source.

Paste MSDN URL – Removes the culture from an MSDN URL so that the end user’s culture is used in determining what localized content they see.

Visual Studio Solution Uploader – The plugin allows you to select a Visual Studio 2005 solution file, when selected the solution and the directory will be zipped and included in the blog post. All done in a few simple steps. You can even get it to build binaries of the solution.